Starfleet uniforms are uniforms that are worn by individuals who serve in the Federation Starfleet (or Earth Starfleet). These uniforms are designed to allow the wearer to fulfil the multiple tasks such as scientific research, combat, and in extreme conditions, and still allow them some feeling of comfort.

Starfleet uniforms are usually divided into departmental colors and the wearer's rankinsignia is displayed so others can ascertain the wearer's authority.